﻿<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="FileUploader.aspx.cs" Inherits="DMS.Web.Modules.ArchivesManagement.FileUploader" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">

<head id="Head1" runat="server">
    <title>
        上传扫描件
    </title>
    <base target="_self" />
    <link type="text/css" rel="stylesheet" href="/Themes/Default/style.css" />
    <style type="text/css">
        #chkSelector, #radSelector
        {
            border-width: 0px;
        }
    </style>
    <style>
.fu_list {
	width:600px;
	background:#ebebeb;
	font-size:12px;
}
.fu_list td {
	padding:5px;
	line-height:20px;
	background-color:#fff;
}
.fu_list table {
	width:100%;
	border:1px solid #ebebeb;
}
.fu_list thead td {
	background-color:#f4f4f4;
}
.fu_list b {
	font-size:14px;
}
/*file容器样式*/
a.files {
	width:90px;
	height:30px;
	overflow:hidden;
	display:block;
	border:1px solid #BEBEBE;
	background:url(../../Resources/Images/fu_btn.gif) left top no-repeat;
	text-decoration:none;
}
a.files:hover {
	background-color:#FFFFEE;
	background-position:0 -30px;
}
/*file设为透明，并覆盖整个触发面*/
a.files input {
	margin-left:-350px;
	font-size:30px;
	cursor:pointer;
	filter:alpha(opacity=0);
	opacity:0;
}
/*取消点击时的虚线框*/
a.files, a.files input {
	outline:none;/*ff*/
	hide-focus:expression(this.hideFocus=true);/*ie*/
}
</style>
    <script language="javascript" type="text/javascript" src="/Resources/Scripts/Scripts.js"></script>
    <script language="javascript" type="text/javascript" src="/Resources/Scripts/jquery-1.4.1.min.js"></script>
    <script language="javascript" type="text/javascript">
    <!--
        var isConfirm = false;
        var confirmMsg = "";
    //-->
    </script>    
    <meta http-equiv="Expires" content="0">
    <meta http-equiv="Cache-Control" content="no-cache">
    <meta http-equiv="Pragma" content="no-cache">
</head>

<body id="dialog" class="ow_body" onkeypress="javascript:AutoCloseDialog(isConfirm, confirmMsg);">
    <form id="uploadForm" runat="server">
    <asp:ScriptManager ID="ScriptManager1" runat="server">
    </asp:ScriptManager>
    <table width="100%" border="0" cellpadding="0" cellspacing="0" id="Table1">
        <tr>
            <td>
                <table width="100%" border="0" cellpadding="0" cellspacing="0" id="Table3">
                    <tr>
                        <td class="ow_top_l">
                        </td>
                        <td class="ow_top_m">
                            <!------------------ 标题栏 ------------------>
                            <table width="*" cellpadding="0" cellspacing="0" class="ow_hdr_mg" id="Table2">
                                <tr>
                                    <td class="ow_hdr_i">
                                        <img src="/Themes/Default/ow_hdr_i.gif" border="0">
                                    </td>
                                    <td class="ow_hdr_f">
                                            <br />上传扫描件
                                            
                                    </td>
                                </tr>
                            </table>
                            <!-----------------END- 标题栏 ------------------>
                        </td>
                        <td class="ow_top_r">
                        </td>
                    </tr>
                </table>
            </td>
        </tr>
        <tr height="100%">
            <td valign="top" height="365px">
                <table width="100%" height="100%" border="0" cellpadding="0" cellspacing="0">
                    <tr>
                        <td class="ow_main_l">
                        </td>
                        <td class="ow_main_m">
                            <div style="overflow: auto; height: 100%">
                                <!------------------ 页面主体 ------------------>
                                <table border="0" cellspacing="1" class="fu_list">
    <thead>
      <tr>
        <td colspan="2"><b>选择扫描件</b></td>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td align="right" width="15%" style="line-height:35px;">添加文件：</td>
        <td><a href="javascript:void(0);" class="files" id="idFile"></a> <img id="idProcess" style="display:none;" src="../../Resources/Images/loading.gif" /></td>
      </tr>
      <tr>
        <td colspan="2"><table border="0" cellspacing="0">
            <thead>
              <tr>
                <td>文件路径</td>
                <td width="100"></td>
              </tr>
            </thead>
            <tbody id="idFileList">
            </tbody>
          </table></td>
      </tr>
      <tr>
        <td colspan="2" style="color:gray">温馨提示：最多可同时上传 <b id="idLimit"></b> 个文件，只允许上传 <b id="idExt"></b> 文件。 </td>
      </tr>
      <tr>
        <td colspan="2" align="center" id="idMsg"><input type="button" value="开始上传" id="idBtnupload" disabled="disabled" />
          &nbsp;&nbsp;&nbsp;
          <input type="button" value="全部取消" id="idBtndel" disabled="disabled" />
        </td>
      </tr>
    </tbody>
  </table>
                                <!------------------ END 页面主体 ------------------>
                            </div>
                        </td>
                        <td class="ow_main_r">
                        </td>
                    </tr>
                </table>
            </td>
        </tr>
        <tr>
            <td>
                <table width="100%" border="0" cellpadding="0" cellspacing="0" id="Table5">
                    <tr>
                        <td class="ow_btm_l">
                        </td>
                        <td class="ow_btm_m">
                            <!------------------ 提示及按钮 ------------------>
                            <table cellpadding="0" cellspacing="0" class="ow_btm_mg">
                                <tr>
                                    <td class="ow_btm_msg">
                                    </td>
                                    <td class="ow_btm_btn">
                                        <a href="javascript:window.close();" class="linkbtn"><span>关闭</span></a>                                                                      
                                    </td>
                                </tr>
                            </table>
                            <!------------------END 提示及按钮 ------------------>
                        </td>
                        <td class="ow_btm_r">
                        </td>
                    </tr>
                </table>
            </td>
        </tr>
    </table>
        
    </form>
    <script type="text/javascript">

        var isIE = (document.all) ? true : false;

        var $ = function (id) {
            return "string" == typeof id ? document.getElementById(id) : id;
        };

        var Class = {
            create: function () {
                return function () {
                    this.initialize.apply(this, arguments);
                }
            }
        }

        var Extend = function (destination, source) {
            for (var property in source) {
                destination[property] = source[property];
            }
        }

        var Bind = function (object, fun) {
            return function () {
                return fun.apply(object, arguments);
            }
        }

        var Each = function (list, fun) {
            for (var i = 0, len = list.length; i < len; i++) { fun(list[i], i); }
        };

        //文件上传类
        var FileUpload = Class.create();
        FileUpload.prototype = {
            //表单对象，文件控件存放空间
            initialize: function (form, folder, options) {

                this.Form = $(form); //表单
                this.Folder = $(folder); //文件控件存放空间
                this.Files = []; //文件集合

                this.SetOptions(options);

                this.FileName = this.options.FileName;
                this._FrameName = this.options.FrameName;
                this.Limit = this.options.Limit;
                this.Distinct = !!this.options.Distinct;
                this.ExtIn = this.options.ExtIn;
                this.ExtOut = this.options.ExtOut;

                this.onIniFile = this.options.onIniFile;
                this.onEmpty = this.options.onEmpty;
                this.onNotExtIn = this.options.onNotExtIn;
                this.onExtOut = this.options.onExtOut;
                this.onLimite = this.options.onLimite;
                this.onSame = this.options.onSame;
                this.onFail = this.options.onFail;
                this.onIni = this.options.onIni;

                if (!this._FrameName) {
                    //为每个实例创建不同的iframe
                    this._FrameName = "uploadFrame_" + Math.floor(Math.random() * 1000);
                    //ie不能修改iframe的name
                    var oFrame = isIE ? document.createElement("<iframe name=\"" + this._FrameName + "\">") : document.createElement("iframe");
                    //为ff设置name
                    oFrame.name = this._FrameName;
                    oFrame.style.display = "none";
                    //在ie文档未加载完用appendChild会报错
                    document.body.insertBefore(oFrame, document.body.childNodes[0]);
                }

                //设置form属性，关键是target要指向iframe
                this.Form.action = "File.ashx?archInfoId=" + '<%=Request.QueryString["archInfoId"] %>'; //action="File.ashx"
                this.Form.target = this._FrameName;
                this.Form.method = "post";
                //注意ie的form没有enctype属性，要用encoding
                this.Form.encoding = "multipart/form-data";

                //整理一次
                this.Ini();
            },
            //设置默认属性
            SetOptions: function (options) {
                this.options = {//默认值
                    FileName: "", //文件上传控件的name，配合后台使用
                    FrameName: "", //iframe的name，要自定义iframe的话这里设置name
                    onIniFile: function () { }, //整理文件时执行(其中参数是file对象)
                    onEmpty: function () { }, //文件空值时执行
                    Limit: 0, //文件数限制，0为不限制
                    onLimite: function () { }, //超过文件数限制时执行
                    Distinct: true, //是否不允许相同文件
                    onSame: function () { }, //有相同文件时执行
                    ExtIn: [], //允许后缀名
                    onNotExtIn: function () { }, //不是允许后缀名时执行
                    ExtOut: [], //禁止后缀名，当设置了ExtIn则ExtOut无效
                    onExtOut: function () { }, //是禁止后缀名时执行
                    onFail: function () { }, //文件不通过检测时执行(其中参数是file对象)
                    onIni: function () { } //重置时执行
                };
                Extend(this.options, options || {});
            },
            //整理空间
            Ini: function () {
                //整理文件集合
                this.Files = [];
                //整理文件空间，把有值的file放入文件集合
                Each(this.Folder.getElementsByTagName("input"), Bind(this, function (o) {
                    if (o.type == "file") { o.value && this.Files.push(o); this.onIniFile(o); }
                }))
                //插入一个新的file
                var file = document.createElement("input");
                file.name = this.FileName; file.type = "file"; file.onchange = Bind(this, function () { this.Check(file); this.Ini(); });
                this.Folder.appendChild(file);
                //执行附加程序
                this.onIni();
            },
            //检测file对象
            Check: function (file) {
                //检测变量
                var bCheck = true;
                //空值、文件数限制、后缀名、相同文件检测
                if (!file.value) {
                    bCheck = false; this.onEmpty();
                } else if (this.Limit && this.Files.length >= this.Limit) {
                    bCheck = false; this.onLimite();
                } else if (!!this.ExtIn.length && !RegExp("\.(" + this.ExtIn.join("|") + ")$", "i").test(file.value)) {
                    //检测是否允许后缀名
                    bCheck = false; this.onNotExtIn();
                } else if (!!this.ExtOut.length && RegExp("\.(" + this.ExtOut.join("|") + ")$", "i").test(file.value)) {
                    //检测是否禁止后缀名
                    bCheck = false; this.onExtOut();
                } else if (!!this.Distinct) {
                    Each(this.Files, function (o) { if (o.value == file.value) { bCheck = false; } })
                    if (!bCheck) { this.onSame(); }
                }
                //没有通过检测
                !bCheck && this.onFail(file);
            },
            //删除指定file
            Delete: function (file) {
                //移除指定file
                this.Folder.removeChild(file); this.Ini();
            },
            //删除全部file
            Clear: function () {
                //清空文件空间
                Each(this.Files, Bind(this, function (o) { this.Folder.removeChild(o); })); this.Ini();
            }
        }

        var fu = new FileUpload("uploadForm", "idFile", { Limit: 5, ExtIn: ["jpg", "gif", "png", "jpeg", "bmp", "doc", "xls", "ppt", "pptx", "docx", "xlsx", "rar", "zip", "pdf", "txt"],
            onIniFile: function (file) { file.value ? file.style.display = "none" : this.Folder.removeChild(file); },
            onEmpty: function () { alert("请选择一个文件"); },
            onLimite: function () { alert("超过上传限制"); },
            onSame: function () { alert("已经有相同文件"); },
            onNotExtIn: function () { alert("只允许上传" + this.ExtIn.join("，") + "文件"); },
            onFail: function (file) { this.Folder.removeChild(file); },
            onIni: function () {
                //显示文件列表
                var arrRows = [];
                if (this.Files.length) {
                    var oThis = this;
                    Each(this.Files, function (o) {
                        var a = document.createElement("a"); a.innerHTML = "取消"; a.href = "javascript:void(0);";
                        a.onclick = function () { oThis.Delete(o); return false; };
                        arrRows.push([o.value, a]);
                    });
                } else { arrRows.push(["<font color='gray'>没有添加文件</font>", "&nbsp;"]); }
                AddList(arrRows);
                //设置按钮
                $("idBtnupload").disabled = $("idBtndel").disabled = this.Files.length <= 0;
            }
        });

        $("idBtnupload").onclick = function () {
            //显示文件列表
            var arrRows = [];
            Each(fu.Files, function (o) { arrRows.push([o.value, "&nbsp;"]); });
            AddList(arrRows);

            fu.Folder.style.display = "none";
            $("idProcess").style.display = "";
            $("idMsg").innerHTML = "正在添加扫描件到服务器中，请稍候……<br />有可能因为网络问题，出现程序长时间无响应，请点击“<a href='?'><font color='red'>取消</font></a>”重新上传文件";

            fu.Form.submit();
        }

        //用来添加文件列表的函数
        function AddList(rows) {
            //根据数组来添加列表
            var FileList = $("idFileList"), oFragment = document.createDocumentFragment();
            //用文档碎片保存列表
            Each(rows, function (cells) {
                var row = document.createElement("tr");
                Each(cells, function (o) {
                    var cell = document.createElement("td");
                    if (typeof o == "string") { cell.innerHTML = o; } else { cell.appendChild(o); }
                    row.appendChild(cell);
                });
                oFragment.appendChild(row);
            })
            //ie的table不支持innerHTML所以这样清空table
            while (FileList.hasChildNodes()) { FileList.removeChild(FileList.firstChild); }
            FileList.appendChild(oFragment);
        }


        $("idLimit").innerHTML = fu.Limit;

        $("idExt").innerHTML = fu.ExtIn.join("，");

        $("idBtndel").onclick = function() { fu.Clear(); };

        //在后台通过window.parent来访问主页面的函数
        function Finish(msg) {
//            if(confirm(msg+'是否继续上传？')) {
//                document.location.reload();
//            }else {
//                window.close();
//                window.returnValue = 'ok';
            //            }
            alert(msg);
            window.returnValue = 'ok';
            window.close();
        }

</script>
</body>
</html>
